5" NH (NST) Female Hose Lightweight Aluminum Fire Cap HA1576 5” Storz x 3” NPT

5” Storz x 3” NPT Male Fitting Anodized Aluminum

they are sold as "scrap" because they are no longer suited for emergency firefighting

Fire & Industrial 3” NPSH x 4” NPT Double Male Fitting Anodized Aluminum

Water supply from lakes

Additonal Info:

5" NH (NST) Female Hose Lightweight Aluminum Fire Cap HA1576 5” Storz x 3” NPTSpecifications Female Side 5 NH (NST) Female (National Hose National Standard Thread) Working Pressure 300PSI Max Test Pressure 1000PSI Max Material T 6061 Aluminum (Aircraft Grade) Finishing Anodized (99. 9% Lead Free) NFPA Standards 1963, 4. 12, 5. 1 5. 6. 4 (Corrosion Resistance) Military Standards MIL A 8625 Type III, Class 1 Industrial Standards International ASTM B221 UL Labs Standards 236 8. 1 Through 8. 2 USDA Standards 5100 190C Tables 1 4